Control unit



FIG. 1 is a front, top, perspective view of a control unit showing my new design.

FIG. 2 is a right side view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing in the figure drawings is included for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a control unit, as shown and described. 